Crossref journal-article
Wiley
European Journal of Neuroscience (311)
Abstract

AbstractUsing the whole‐cell mode of the patch‐clamp technique, we recorded inward currents in response to inositol‐1,4,5‐trisphosphate (IP3) and adenophostin analogues in turtle olfactory sensory neurons. Dialysis of IP3 into the neurons induced inward currents with an increase in membrane conductance in a dose‐dependent manner under the voltage‐clamp conditions (holding potential −70 mV). The application of Ca2+‐free Ringer solution to neurons previously dialysed with IP3 induced inward currents that were reversibly inhibited by application of Na+, Ca2+‐free Ringer solution, normal Ringer solution or 10 μm ruthenium red. Dialysis of the adenophostin analogues, novel IP3 receptor ligands, also induced inward currents with an increase in membrane conductance. The magnitude of the responses to the adenophostin analogues varied among these derivatives. The application of Ca2+‐free Ringer solution to neurons previously dialysed with the adenophostin analogues induced inward currents that were inhibited by the application of normal Ringer solution. The reversal potential of inward currents induced by an adenophostin analogue was similar to that induced by IP3, suggesting that inward currents induced by the adenophostin analogue were generated by a similar ionic mechanism to that induced by IP3. The present study demonstrated that IP3‐mediated transduction pathways exist in turtle olfactory receptor neurons and that adenophostin analogues act as agonists of IP3.

Bibliography

Kashiwayanagi, M., Tatani, K., Shuto, S., & Matsuda, A. (2000). Inositol 1,4,5‐trisphosphate and adenophostin analogues induce responses in turtle olfactory sensory neurons. European Journal of Neuroscience, 12(2), 606–612. Portico.

Authors 4
  1. Makoto Kashiwayanagi (first)
  2. Kazuya Tatani (additional)
  3. Satoshi Shuto (additional)
  4. Akira Matsuda (additional)
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Dates
Type When
Created 22 years, 5 months ago (March 6, 2003, 9:29 a.m.)
Deposited 1 year, 11 months ago (Oct. 2, 2023, 1:06 a.m.)
Indexed 1 year, 9 months ago (Nov. 18, 2023, 8:01 a.m.)
Issued 25 years, 7 months ago (Feb. 1, 2000)
Published 25 years, 7 months ago (Feb. 1, 2000)
Published Online 16 years, 10 months ago (Oct. 9, 2008)
Published Print 25 years, 7 months ago (Feb. 1, 2000)
Funders 0

None

@article{Kashiwayanagi_2000, title={Inositol 1,4,5‐trisphosphate and adenophostin analogues induce responses in turtle olfactory sensory neurons}, volume={12}, ISSN={1460-9568}, url={http://dx.doi.org/10.1046/j.1460-9568.2000.00948.x}, DOI={10.1046/j.1460-9568.2000.00948.x}, number={2}, journal={European Journal of Neuroscience}, publisher={Wiley}, author={Kashiwayanagi, Makoto and Tatani, Kazuya and Shuto, Satoshi and Matsuda, Akira}, year={2000}, month=feb, pages={606–612} }